Were these photos taken form about the same position? The one on the bottom taken by Mohrie in 1968, the other taken by Neil Collard a few years ago. Take a close look at the buildings in the background.
2 Transport Platoon served in Sth Vietnam from 1967 until 1970. Based in Vung Tau, the unit was responsible for transporting supplies to Nui Dat, Saigon, Long Binh and various Fire Support Bases including Coral, Balmoral, Anderson etc.